| abstract |
Provided is a package comprising: a space to store contents; and an opening by which the space and an outside communicate, wherein the opening is repeatedly openable and sealable by a self-adhesive (E) that is made by cross-linking a resin composition (C) containing a (meth)acrylic acid ester copolymer resin (A), and a crosslinking agent (B), the package being repeatedly sealable after opened first time. |